Jefferson Finis Davis (June 3, 1808 – December 6, 1889) was an American politician who was a U.S. Representative and Senator from Mississippi, the 23rd U.S. Secretary of War, and the President of the Confederate States of America during the American Civil War.

Jefferson Davis’ Birthday in Mississippi is celebrated on the last Monday in May together with National Memorial Day. (TITLE 3. STATE SOVEREIGNTY, JURISDICTION AND HOLIDAYS CHAPTER 3. STATE BOUNDARIES, HOLIDAYS, ETC. 3-3-7. Legal holidays)

The Jefferson Davis National Highway in the United States and Jefferson Davis County in Mississippi were named in honor of Jefferson Davis.

"To one who loves his country in all its parts, it is natural to rejoice in whatever contributes to the prosperity and honor and marks the stability and progress of any portion of its people." - Jefferson Davis

Source: history.com | ms.gov

In 2018 Jefferson Davis’ Birthday in Mississippi in USA falls on May 28.